UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000057680
Receipt number R000065908
Scientific Title A verification study of the effects of consumption of the test food containing plant extract on male menopause and sexual function in middle-aged men: a randomized, placebo-controlled, double-blind, parallel-group comparison study
Date of disclosure of the study information 2025/04/22
Last modified on 2025/04/22 10:51:20

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Basic information

Public title

A verification study of the effects of consumption of the test food containing plant extract on male menopause and sexual function in middle-aged men

Acronym

A verification study of the effects of consumption of the test food containing plant extract on male menopause and sexual function in middle-aged men

Scientific Title

A verification study of the effects of consumption of the test food containing plant extract on male menopause and sexual function in middle-aged men: a randomized, placebo-controlled, double-blind, parallel-group comparison study

Scientific Title:Acronym

A verification study of the effects of consumption of the test food containing plant extract on male menopause and sexual function in middle-aged men

Region

Japan


Condition

Condition

Healthy Japanese

Classification by specialty

Not applicable Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To verify the effects of four weeks of continuous consumption of the test food containing plant extract on male menopause and sexual function, and to assess its secondary effects on sex hormones and health-related quality of life, in healthy middle-aged men.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

1. The Aging Males' Symptoms (AMS) at four weeks after intervention (4w)

Key secondary outcomes

1. The MOS Short-Form 36-Item Health Survey (SF-36) at 4w

2. Total testosterone, free testosterone, luteinizing hormone, and follicle-stimulating hormone at 4w

3. Body weight, body mass index (BMI), body fat percentage, lean body mass, fat mass (whole body, right leg, left leg, right arm, left arm, and trunk), muscle mass (whole body, right leg, left leg, right arm, left arm, and trunk), systolic blood pressure, diastolic blood pressure, waist circumference, total cholesterol (T-Cho), high density lipoprotein-cholesterol (HDL-Cho), low density lipoprotein-cholesterol (LDL-Cho), triglyceride (TG), glucose (GLU), and hemoglobin A1c (HbA1c) at 4w


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification


Dynamic allocation


Institution consideration

Institution is not considered as adjustment factor.

Blocking

YES

Concealment



Intervention

No. of arms

2

Purpose of intervention

Educational,Counseling,Training

Type of intervention

Food

Interventions/Control_1

Duration: Four weeks
Test product: Sterone power mix HC2 (Hard capsule containing black currant extract, red perilla extract, and inositol mixture)
Administration: Take two capsules per day at any time during the day

*If you forget to take the test food, take it as soon as you remember. The daily dose should be taken within the day and not carried over to the next day.

Interventions/Control_2

Duration: Four weeks
Test product: Placebo capsule
Administration: Take two capsules per day at any time during the day

*If you forget to take the test food, take it as soon as you remember. The daily dose should be taken within the day and not carried over to the next day.

Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

45 years-old <=

Age-upper limit

75 years-old >

Gender

Male

Key inclusion criteria


1. Japanese

2. Men

3. Individuals aged 45 or more and less than 75

4. Healthy individuals

5. Individuals whose AMS score is between 27 and 49

6. Individuals whose BMI is 23 kg/m2 or more and less than 30 kg/m2

7. Individuals whose blood concentration of total testosterone is 2.5 ng/mL or more at screening

8. Individuals whose blood concentration of free testosterone is 7.5 pg/mL or more at screening

Key exclusion criteria

1. Individuals who are undergoing medical treatment or have a medical history of malignant tumor, heart failure, myocardial infarction, hepatitis B, or hepatitis C

2. Individuals who have a pacemaker or an implantable cardioverter defibrillator (ICD)

3. Individuals who are currently undergoing treatment for any of the following chronic diseases: cardiac arrhythmia, liver disorder, chronic kidney disease, cerebrovascular disorder, rheumatic disease, diabetes mellitus, dyslipidemia, hypertension, or any other chronic diseases

4. Individuals who are taking "Foods for Specified Health Uses" or "Foods with Functional Claims"

5. Individuals who are taking or using medications (including herbal medicines) or supplements

6. Individuals who usually take foods that may affect male menopause and sexual function, such as garlic, L-arginine, zinc, or maca

7. Individuals who are allergic to medicines or foods related to the test product

8. Individuals who have been enrolled in other clinical studies within the last 28 days before the agreement to participate in this study or plan to participate in another study during this study

9. Individuals who have treatment histories of diabetes mellitus, erectile dysfunction, benign prostatic hyperplasia, gastric ulcer, psychosis, dysgeusia, or anemia within last one year

10. Individuals who have mental health issues such as depression disorder, attention deficit/hyperactivity disorder (ADHD), or other issues

11. Individuals who usually drink to excess (average of more than about 20 g/day as absolute alcohol intake) {500 mL: a medium bottle of beer or about 1.5 cans of canned chu-hi, 180 mL: 1 go of sake or about 1.5 glasses of wine, 90 mL: half-go with shochu, 60 mL: a glass of whiskey brandy (double)}

12. Individuals who are judged as ineligible to participate in this study by the physician

Target sample size

52


Research contact person

Name of lead principal investigator

1st name Tsuyoshi
Middle name
Last name Takara

Organization

Medical Corporation Seishinkai, Takara Clinic

Division name

Director

Zip code

141-0022

Address

9F Taisei Bldg., 2-3-2, Higashi-gotanda, Shinagawa-ku, Tokyo, Japan

TEL

03-5793-3623

Email

t-takara@takara-clinic.com


Public contact

Name of contact person

1st name Naoko
Middle name
Last name Suzuki

Organization

ORTHOMEDICO Inc.

Division name

R&D Department

Zip code

112-0002

Address

2F Sumitomo Fudosan Korakuen Bldg., 1-4-1, Koishikawa, Bunkyo-ku, Tokyo, Japan

TEL

03-3818-0610

Homepage URL


Email

nao@orthomedico.jp


Sponsor or person

Institute

JAPAN PHARMA Co., Ltd.

Institute

Department

Personal name



Funding Source

Organization

JAPAN PHARMA Co., Ltd.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

The ethical committee of the Takara Clinic, Medical Corporation Seishinkai

Address

9F Taisei Bldg., 2-3-2, Higashi-gotanda, Shinagawa-ku, Tokyo, Japan

Tel

03-5793-3623

Email

IRB@takara-clinic.com


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions

医療法人社団盛心会 タカラクリニック (東京都)
Medical Corporation Seishinkai, Takara Clinic (Tokyo, Japan)

南町医院 (東京都)
Nerima Medical Association, Minami-machi Clinic (Tokyo, Japan)


Other administrative information

Date of disclosure of the study information

2025 Year 04 Month 22 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Open public recruiting

Date of protocol fixation

2025 Year 04 Month 09 Day

Date of IRB

2025 Year 04 Month 09 Day

Anticipated trial start date

2025 Year 04 Month 22 Day

Last follow-up date

2025 Year 08 Month 10 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2025 Year 04 Month 22 Day

Last modified on

2025 Year 04 Month 22 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000065908